There was a first and a second Boer War. The Third Boer War is still to come.

the boer war started in 1980

The second, and better known Boer War started in 1899 and lasted 3 years.

The second Boer War sarted in 1899 and ended in 1902.

Yes, New Zealand was involved in the Second Boer War 1899 -1902. New Zealand sent 6500 soldiers, 230 of these soldiers died. We also sent 30 female nurses and 20 female teachers. The Second Boer War was the first overseas conflict which New Zealand sent troops.

Note: "Boer War" refers to the Second Boer War. The First Boer War 1880-1881 is not well-known and did not involve New Zealanders.